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GSK 5536522

Drug Profile

GSK 5536522

Alternative Names: Flu mRNA - GSK; flu pandemic messenger RNA (mRNA) vaccine - GlaxoSmithKline; Flu Pandemic mRNA - GSK; GSK-5536522; H5N1 influenza vaccine - GlaxoSmithKline; H5N1 m-RNA vaccine - GlaxoSmithKline; Pandemic H5N1 influenza virus vaccine

Latest Information Update: 21 Jul 2026

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At a glance

  • Originator GSK
  • Class Influenza virus vaccines; RNA vaccines
  • Mechanism of Action Immunostimulants
  • Orphan Drug Status

    Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

    No
  • New Molecular Entity No

Highest Development Phases

  • Discontinued Influenza A virus H5N1 subtype

Most Recent Events

  • 21 Jul 2026 Discontinued - Phase-I/II for Influenza A virus H5N1 subtype (Prevention) in USA (IM) (GSK pipeline; July 2026)
  • 13 Jan 2026 GlaxoSmithKline completes a phase-I/II trial in Influenza A virus H5N1 subtype (Prevention) in USA (IM) (NCT06382311)
  • 18 Apr 2024 Phase-I/II clinical trials in Influenza A virus H5N1 subtype(Prevention) in USA (IM) (NCT06382311)

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